func call(ctx context.Context, method string, req proto.Message, resp proto.Message) error {
payload, err := proto.Marshal(req)
if err != nil {
return err
}
url := baseUrl(ctx) + internal.ProjID(ctx) + "/" + method
r, err := internal.HTTPClient(ctx).Post(url, "application/x-protobuf", bytes.NewReader(payload))
if err != nil {
return err
}
defer r.Body.Close()
all, err := ioutil.ReadAll(r.Body)
if r.StatusCode != http.StatusOK {
e := &errHTTP{
StatusCode: r.StatusCode,
err: err,
}
if err == nil {
e.Body = string(all)
}
return e
}
if err != nil {
return err
}
if err = proto.Unmarshal(all, resp); err != nil {
return err
}
return nil
}
// NewReader creates a new io.ReadCloser to read the contents
// of the object.
func NewReader(ctx context.Context, bucket, name string) (io.ReadCloser, error) {
hc := internal.HTTPClient(ctx)
res, err := hc.Get(fmt.Sprintf("https://storage.googleapis.com/%s/%s", bucket, name))
if err != nil {
return nil, err
}
if res.StatusCode == http.StatusNotFound {
res.Body.Close()
return nil, ErrObjectNotExist
}
if res.StatusCode < 200 || res.StatusCode > 299 {
res.Body.Close()
return res.Body, fmt.Errorf("storage: can't read object %v/%v, status code: %v", bucket, name, res.Status)
}
return res.Body, nil
}